64642015 (number)

64642015 is an odd 8-digits composite number following 64642014 and preceding 64642016. In scientific notation, it is written as 6.4642015 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 49930272 positive integers (up to 64642015) that are relatively prime to 64642015.

Interesting facts

Basic properties

Name

Name sixty-four million six hundred forty-two thousand fifteen

Notation

Scientific notation 6.4642015 × 10^7
Engineering notation 6.4642015 × 10^6

Prime Factorization of 64642015

Prime Factorization 5 × 29 × 445807

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64642015
Product of the distinct prime numbers

The prime factorization of 64642015 is 5 × 29 × 445807. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64642015)

Multiplication

n×y
n×2 129284030
n×3 193926045
n×4 258568060
n×5 323210075

Division

n÷y
n÷2 32321007.5
n÷3 21547338.333333
n÷3 16160503.75
n÷5 12928403

Exponentiation

ny
n2 4178590103260225
n3 2.701124841338E+23
n4 1.7460615251064E+31
n5 1.1286893529685E+39

Nth Root

y√n
2√n 8040.0258084163
3√n 401.33308353522
4√n 89.66619099982
5√n 36.484044530575

Divisors of 64642015

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64642014
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64642015 can be divided by 8 positive divisors. The sum of these divisors (counting 64642015) is 1, the average is 0.125.

Base conversion 64642015

Base System Value
2 Binary 11110110100101101111011111
3 Ternary 11111122011011201
4 Quaternary 3312211233133
5 Quinary 113022021030
6 Senary 10225300331
8 Octal 366455737
10 Decimal 64642015
12 Duodecimal 197946a7
16 Hexadecimal 3da5bdf
20 Vigesimal 104050f
36 Base36 12hi3j

Cryptographic Hash Functions

md5 51fd2b66a5a968156ee42ea226468520
sha1 85e7181e805d0635556652261e590c76ff8f2774
sha256 47d985525ad9b8ca780b1f89d745b05932a796208602d74939478321b43b1722
sha512 75729456f6092d9da66910e6922f407a16e78ef26b137cbf05ea2731f70d2f635f58e5053600b8e497a5a92e24d59bea65a4d835c82a02f240846c05b865bd07
ripemd-160 0fc743ceb7803c1a71ef61e3f0e3a68c1f3ffee8

64642015 as geometric shapes

Circle

Radius = n
Diameter 129284030
Circumference 406157758.87448
Area 1.3127427970765E+16

Sphere

Radius = n
Volume 1.1314445277302E+24
Surface area 5.2509711883061E+16
Circumference 406157758.87448

Square

Length = n
Perimeter 258568060
Area 4178590103260225
Diagonal 91417614.312125

Cube

Length = n
Surface area 25071540619561350
Volume 2.701124841338E+23
Space diagonal 111963254.28363

Equilateral Triangle

Length = n
Perimeter 193926045
Area 1.8093825907128E+15
Altitude 55981627.141815

Triangular Pyramid

Length = n
Surface area 1.8093825907128E+15
Volume 3.1833061535692E+22
Height 30472538.104042